This patch fixes the case when a long non-breakable word
is contained in a alert message. Then this breaks the form.
See https://pzt.me/7h0a for an example. The patch adds
overflow:hidden and word-break to css to force long words
to break on next line.
Change-Id: Ic7c2c63c1be74aa0b4e667458b92c01ee6e103cb